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NOTE: This page is archived for historical purposes and is no longer being maintained or updated. Original creation date: August 2009This 2007 mining fact sheet covers statistics of general interest relating to surface and underground nonmetal mining operations, workers, fatalities, nonfatal lost-time injuries, and occupational illness. Hearing Loss Due to Noise and Aging Image courtesy of US NIOSH The US National Institute on Deafness and Other Communication Disorders (NIDCD) estimates that 15 percent of American adults have some form of hearing loss caused by excessive noise. Your ears have the ability to recover from occasional overexposure to noise, but if the noise is prolonged or repeated enough times, the damage becomes permanent.


In 2007, a total of 725 nonmetal mining operations reported employment to the Mine Safety and Health Administration (MSHA). Exact figures are hard to pinpoint, for two reasons: Many people are unaware that their hearing has been impaired, because it often occurs slowly and gradually. Therefore, statistics that are based on surveys where people are asked about any hearing loss they may have are likely to underestimate the actual numbers. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No.


In addition, some people are reluctant to admit they have a hearing loss, to others or even to themselves.



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